I did some math on my best splits, and with a faster Z1 and a MUCH faster Z2, My sum of best is 4:09.619. So, at least sub 4:20 should be doable. More attempts throughout the week.
1 year ago (+1)
Sum of best: 4:03.310. I want a sub 1 Zone 1 so bad, because then all sections would be.
1 year ago(+1)
Woah! These times are crazy! Could I add your name to the description as the WR holder?